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60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibTest/TestCase.h>
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#include <LibTextCodec/Decoder.h>
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TEST_CASE(test_utf8_decode)
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{
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auto decoder = TextCodec::UTF8Decoder();
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// Bytes for U+1F600 GRINNING FACE
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auto test_string = "\xf0\x9f\x98\x80"sv;
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Vector<u32> processed_code_points;
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MUST(decoder.process(test_string, [&](u32 code_point) {
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return processed_code_points.try_append(code_point);
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}));
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EXPECT(processed_code_points.size() == 1);
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EXPECT(processed_code_points[0] == 0x1F600);
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EXPECT(MUST(decoder.to_utf8(test_string)) == test_string);
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}
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TEST_CASE(test_utf16be_decode)
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{
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auto decoder = TextCodec::UTF16BEDecoder();
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// This is the output of `python3 -c "print('säk😀'.encode('utf-16be'))"`.
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auto test_string = "\x00s\x00\xe4\x00k\xd8=\xde\x00"sv;
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Vector<u32> processed_code_points;
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MUST(decoder.process(test_string, [&](u32 code_point) {
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return processed_code_points.try_append(code_point);
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}));
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EXPECT(processed_code_points.size() == 4);
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EXPECT(processed_code_points[0] == 0x73);
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EXPECT(processed_code_points[1] == 0xE4);
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EXPECT(processed_code_points[2] == 0x6B);
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EXPECT(processed_code_points[3] == 0x1F600);
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}
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TEST_CASE(test_utf16le_decode)
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{
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auto decoder = TextCodec::UTF16LEDecoder();
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// This is the output of `python3 -c "print('säk😀'.encode('utf-16le'))"`.
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auto test_string = "s\x00\xe4\x00k\x00=\xd8\x00\xde"sv;
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Vector<u32> processed_code_points;
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MUST(decoder.process(test_string, [&](u32 code_point) {
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return processed_code_points.try_append(code_point);
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}));
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EXPECT(processed_code_points.size() == 4);
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EXPECT(processed_code_points[0] == 0x73);
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EXPECT(processed_code_points[1] == 0xE4);
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EXPECT(processed_code_points[2] == 0x6B);
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EXPECT(processed_code_points[3] == 0x1F600);
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}
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